Garry Tan says AI is a multiplier on the individual: "We're sort of in the middle of a big transformation now, I think. For the longest time, we really, really believed that you needed co-founders. And I think that everything else being equal, having co-founders is net really, really good." "I think what's happening right now with vibe coding and agentic coding, literally any given person could be 400 of that person, like from two years, even nine months ago, you can be a multiple of…